/*
 * **** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * J4Care.
 * Portions created by the Initial Developer are Copyright (C) 2015-2019
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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package org.dcm4chee.arc.export.stow;

import org.dcm4che3.net.WebApplication;
import org.dcm4chee.arc.conf.ExporterDescriptor;
import org.dcm4chee.arc.entity.QueueMessage;
import org.dcm4chee.arc.exporter.AbstractExporter;
import org.dcm4chee.arc.exporter.ExportContext;
import org.dcm4chee.arc.qmgt.Outcome;
import org.dcm4chee.arc.retrieve.RetrieveContext;
import org.dcm4chee.arc.retrieve.RetrieveService;
import org.dcm4chee.arc.stow.client.StowClient;
import org.dcm4chee.arc.stow.client.StowTask;

import java.util.Map;

/**
 * @author Gunter Zeilinger (gunterze@protonmail.com)
 * @author Vrinda Nayak <vrinda.nayak@j4care.com>
 * @since Feb 2021
 */
public class StowExporter extends AbstractExporter {
    private final RetrieveService retrieveService;
    private final StowClient stowClient;
    private final String destWebAppName;
    private final Map<String, StowTask> stowTaskMap;

    public StowExporter(ExporterDescriptor descriptor, RetrieveService retrieveService, StowClient stowClient,
            Map<String, StowTask> stowTaskMap) {
        super(descriptor);
        this.retrieveService = retrieveService;
        this.stowClient = stowClient;
        this.destWebAppName = descriptor.getExportURI().getSchemeSpecificPart();
        this.stowTaskMap = stowTaskMap;
    }

    @Override
    public Outcome export(ExportContext exportContext) throws Exception {
        RetrieveContext retrieveContext = retrieveService.newRetrieveContextSTOW(
                exportContext.getAETitle(),
                exportContext.getStudyInstanceUID(),
                exportContext.getSeriesInstanceUID(),
                exportContext.getSopInstanceUID(),
                destWebAppName);
        retrieveContext.setHttpServletRequestInfo(exportContext.getHttpServletRequestInfo());
        if (!retrieveService.calculateMatches(retrieveContext))
            return new Outcome(QueueMessage.Status.WARNING, noMatches(exportContext));

        if (!retrieveContext.getDestinationWebApp().containsServiceClass(WebApplication.ServiceClass.STOW_RS))
            return new Outcome(QueueMessage.Status.WARNING,
                    "Destination webapp " + destWebAppName + " is not configured for STOW_RS web service");

        String messageID = exportContext.getMessageID();
        StowTask stowTask = stowClient.newStowTask(retrieveContext);
        stowTaskMap.put(messageID, stowTask);
        try {
            stowTask.run();
            return new Outcome(
                    retrieveContext.remaining() > 0
                            ? QueueMessage.Status.CANCELED
                            : retrieveContext.failed() > 0
                            ? (retrieveContext.missing() > 0
                            ? QueueMessage.Status.FAILED
                            : QueueMessage.Status.WARNING)
                            : QueueMessage.Status.COMPLETED,
                    outcomeMessage(exportContext, retrieveContext, destWebAppName));
        } finally {
            stowTaskMap.remove(messageID);
        }
    }
}
